ABSTRACT

Liquid-liquid equilibrium (LLE) data of water + acetic acid + 2-ethyl hexyl acetate have been determined experimentally at 298.2, 308.2 and 318.2 K. All the phase diagrams were obtained by determining binodal curves and tie-lines. The reliability of the experimental tie-lines was confirmed by using the Othmer-Tobias correlation. UNIFAC and modified UNIFAC models were used to predict the phase equi-librium in the system determined from experimental data, using the interaction parameters between CH3, CH2, CH, CH3COO, COOH, and H2O functional groups. Distribution coefficients and separation factors were evaluated for the immiscibility region.

Compounds

#	Formula	Name
1	H2O	water
2	C2H4O2	acetic acid
3	C10H20O2	2-ethylhexyl acetate

Datasets

The table above is generated from the ThermoML associated json file (link above). POMD and RXND refer to PureOrMixture and Reaction Datasets. The compound numbers are included in properties, variables, and phases, if specificied; the numbers refer to the table of compounds on the left.
Type	Compound-#	Property	Variable	Constraint	Phase	Method	#Points
POMD	1	Mass density, kg/m3 ; Liquid	Temperature, K; Liquid Pressure, kPa; Liquid		Liquid	Vibrating tube method	1
POMD	1	Refractive index (Na D-line) ; Liquid	Temperature, K; Liquid Pressure, kPa; Liquid		Liquid	Standard Abbe refractometry	1
POMD	1	Normal boiling temperature, K ; Liquid			Liquid Gas	Ebulliometric method (Recirculating still)	1
POMD	2	Mass density, kg/m3 ; Liquid	Temperature, K; Liquid Pressure, kPa; Liquid		Liquid	Vibrating tube method	1
POMD	2	Refractive index (Na D-line) ; Liquid	Temperature, K; Liquid Pressure, kPa; Liquid		Liquid	Standard Abbe refractometry	1
POMD	2	Normal boiling temperature, K ; Liquid			Liquid Gas	Ebulliometric method (Recirculating still)	1
POMD	3	Mass density, kg/m3 ; Liquid	Temperature, K; Liquid Pressure, kPa; Liquid		Liquid	Vibrating tube method	1
POMD	3	Refractive index (Na D-line) ; Liquid	Temperature, K; Liquid Pressure, kPa; Liquid		Liquid	Standard Abbe refractometry	1
POMD	3	Normal boiling temperature, K ; Liquid			Liquid Gas	Ebulliometric method (Recirculating still)	1
POMD	2 3 1	Mass fraction - 2 ; Liquid mixture 1	Temperature, K; Liquid mixture 1 Mass fraction - 1; Liquid mixture 1	Pressure, kPa; Liquid mixture 1	Liquid mixture 1 Liquid mixture 2	Titration method	48
POMD	2 3 1	Mass fraction - 1 ; Liquid mixture 2 Mass fraction - 2 ; Liquid mixture 1 Mass fraction - 1 ; Liquid mixture 1	Temperature, K; Liquid mixture 1 Mass fraction - 2; Liquid mixture 2	Pressure, kPa; Liquid mixture 1	Liquid mixture 2 Liquid mixture 1	Chromatography Chromatography Chromatography	22

Thermodynamics Research Center / ThermoML | Fluid Phase Equilibria

Liquid-liquid equilibria of water + acetic acid + 2-ethyl hexyl acetate ternary system

Ince, E.[Erol], Lalikoglu, M.[Melisa]

ABSTRACT